There are vises, and there are vises. And there are those of us for whom vises are also vices. For we few
obsessives cognoscenti, the price of this beautifully-designed chain-drive shoulder vise package may not be unreasonable. For the mechanically inclined, a remake would be totally do-able, and Lie-Nielsen is to be credited for not keeping any secrets about how it all goes together. The installation instructions (.pdf) contain all you’d need to know to cobble together one of your own.